/**
 * Minimal MPEG-DASH manifest analysis for the MULTIPLEXED case.
 *
 * dash.js intentionally refuses multiplexed representations (one Representation
 * carrying both audio and video), but such content is just a fragmented MP4 —
 * which the player's FFmpeg-WASM demuxer reads natively. This module probes a
 * .mpd, decides whether it's multiplexed, and resolves how to feed it to the
 * demuxer:
 *
 *  - Single-file (SegmentBase / SegmentList byte-ranges / bare BaseURL): the
 *    whole representation lives in one fMP4 file → just play that URL (full
 *    range/seek). This is the common GPAC output and what most muxed DASH uses.
 *  - Multi-segment (SegmentTemplate / SegmentList with separate `media` URLs):
 *    an ordered list of segment URLs to concatenate (handled by DashSegmentSource).
 *
 * Non-multiplexed (standard demuxed) manifests return { multiplexed: false } so
 * the caller keeps using dash.js.
 */
export interface DashPlan {
    multiplexed: boolean;
    /** Single fMP4 file holding the whole muxed representation. */
    sourceUrl?: string;
    /** Ordered segment URLs (init first) for the multi-segment muxed case. */
    segments?: {
        initUrl: string | null;
        mediaUrls: string[];
    };
}
/**
 * Fetch and analyze a DASH manifest. Returns null if it can't be parsed at all
 * (caller should fall back to dash.js).
 */
export declare function analyzeDashManifest(manifestUrl: string, headers?: Record<string, string>): Promise<DashPlan | null>;
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